Solubilised Sulphur Red-Brow

Time:2018-04-06 20:51  Author:admin  Click:

Solubilised Sulphur Red-Brow

Properties
Soluble in water. It is brown with dark red bright when soluble in dense sulphuric acid. It is orange brown in dense sodium hydroxiole. It is dark orange brown in sodium sulfide solution.

Qulity standard

Appearance:

Dark brown powder evenly

Spectrometer strength, score (as compared to the standard):

100±5

Strength, score (as compared to the standard):

100±3

Shade (as the starndard):

no difference¡«micro

Insoluble matters in water, %:

≤0.5

Fineness (residue through the sieve of 250μm), %:

≤5.0

Solubility, g/L(60°C):

≥30

Loss of drying, %:

≤7.0

 

Fastness of dyes on cotton fabrics:

Dyeing depth, %

Resi-
stance Sunlight

Resistance washing with soap at 95°C

Resistance water

Resistance perspiration

Rubbing

Ironing at 200°C

acid

alkali

Change

Stain on cotton

Stain on wool

Change

Stain on cotton

Stain on wool

Change

Stain on cotton

Stain on wool

Change

Stain on cotton

Stain on wool

Dry

wet

Change (after 4 hours)

10

3

2

2

2-3

4

4-5

4-5

4

4-5

4-5

4

4-5

4-5

3

2-3

4

 

Uses
Used dyeing on fiber, also used dyeing on leather.

Starage and transportation

It must be stored in drying, cool and ventilation. Must be prevent from sharp bump to transport it. Avoid contact with fire, sunlight and rain.

Packing
In 25kg net each plastic weave lined with plastic bag.